124 U. S. NATIONAL MUSEUM BULLETIN 216 



P. strobi, 1 from Pissodes sp. in Pinus contorta, 1 from Pissodes sp. in 

 red fir, 12 from Pissodes sp., 1 from Scolytus sp. in Pseudotsuga taxijolia, 

 2 from Abies lasiocarpa, 4 from Picea engelmanni, 2 from Picea sp., 

 1 from Pinus virginiana, 6 from Pseudotsuga taxifolia, and 1 from 

 trunk of Larix. 



This subspecies is transcontinental in the Canadian zone. Adults 

 occur mostly in June and the first half of July. The usual hosts are 

 weevils of the genus Pissodes, which feed under the bark of conifers. 



4b. Dolichomitus terebrans terebrans (Ratzeburg), new combination 



Pimpla terebrans Ratzeburg, 1844, Die Ichneumonen der Forstinsecten . . . , 

 vol. 1, p. 114, 9. Type:?, ?Germany (destroyed during World War II). 



This is the subspecies of Europe, differing as noted in the key 

 and in a few additional characters of color. 



Male : Black. Palpi white ; tegula white but its apex brown ; front 

 coxa white in front; middle coxa white, blackish basally behind; 

 trochanters white, the hind first trochanter brown, at least above; 

 front and middle femora fulvous, whitish in front; front and middle 

 tibiae pale fulvous, paler basally; front and middle tarsi pale fulvous, 

 the apex brownish; hind femur fulvous, its apex fuscous; hind tibia 

 fuscous, its basal 0.15 whitish and a stripe beneath on its basal 0.6 ±, 

 also whitish; hind tarsus fuscous, the basal 0.12 of its basitarsus pale 

 brown. 



Female: Black. Maxillary palpus pale brown, dark brown basally; 

 labial palpus dark brown; tegula yellowish white, its apex brown; 

 front and middle legs fulvous; hind coxa, trochanters, and femur 

 fulvous, the apex of femur rather narrowly and weakly infuscate; 

 hind tibia dark brown, paler basally; hind tarsus blackish brown, 

 the extreme base of its basitarsus brown. 



Described from 1 & from England, 19 from Sweden, and 3d\ 59 

 from Germany. 



5. Dolichomitus tuberculatus (Fourcroy) 



Figures 330,d; 333,e; 344 



Male: Front wing 8.0 to 12.5 mm. long; face of medium width, 

 with sharp, moderately small punctures that are separated by about 

 0.5 their diameter; nervellus broken near its upper 0.40; first tergite 

 about 2.0 as long as wide; second tergite about 1.45 as long as wide; 

 subgenital plate as in figure 333, e; genitalia as in figure 344. 



Female: Front wing 10.8 to 17 mm. long; face of moderate width, 

 with sharp, moderately coarse punctures that are separated by about 

 their diameter; nervellus broken near its upper 0.40; first tergite 

 about 1.8 as long as wide; second tergite about 1.32 as long as wide; 



